Add some translations...
Add some translations...

Add some korean(South Korea) translations, and change several korean expressions to familiar.
※Use "bitcoin/src/qt/locale/bitcoin_ko_KR.ts" for reference purposes.
jarymoth/dogecoin,coinwarp/dogecoin,haisee/dogecoin,jarymoth/dogecoin,jarymoth/dogecoin,brishtiteveja/sherlockcoin,koharjidan/dogecoin,coinwarp/dogecoin,brishtiteveja/sherlockcoin,coinwarp/dogecoin,langerhans/dogecoin,koharjidan/dogecoin,Domer85/dogecoin,jarymoth/dogecoin,marklai9999/Taiwancoin,langerhans/dogecoin,brishtiteveja/sherlockcoin,koharjidan/dogecoin,coinkeeper/2015-06-22_18-37_dogecoin,Exceltior/dogecoin,coinkeeper/2015-06-22_18-37_dogecoin,langerhans/dogecoin,haisee/dogecoin,brishtiteveja/sherlockcoin,Exceltior/dogecoin,Exceltior/dogecoin,Exceltior/dogecoin,marklai9999/Taiwancoin,langerhans/dogecoin,coinkeeper/2015-06-22_18-37_dogecoin,coinkeeper/2015-06-22_18-37_dogecoin,jarymoth/dogecoin,coinkeeper/2015-06-22_18-37_dogecoin,haisee/dogecoin,koharjidan/dogecoin,Exceltior/dogecoin,coinwarp/dogecoin,Domer85/dogecoin,marklai9999/Taiwancoin,coinwarp/dogecoin,haisee/dogecoin,Domer85/dogecoin,langerhans/dogecoin,brishtiteveja/sherlockcoin,koharjidan/dogecoin,langerhans/dogecoin,marklai9999/Taiwancoin,Domer85/dogecoin,haisee/dogecoin,koharjidan/dogecoin